8e8b4ec3a3
Under the special circumstance of double clicking and then opening a panel with sub-panels again, the parent panel's offset in y-direction was added twice to the child panels: once inside "get_panel_real_ofsy" and once within "align_sub_panels". This introduced a visible glitch. Reviewed by: Julian Eisel Differential Revision: https://developer.blender.org/D6942